Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1990-11-27
1992-10-13
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
2504921, H01J 3150
Patent
active
051553490
ABSTRACT:
An x-ray image intensifier has a housing, an input screen, an output screen, and a number of electrodes for the electron optics, the housing including a number of joined parts and at least one of those parts consisting of electrically insulating material. The part or parts of the housing consisting of insulating material have seating surfaces to which parts, such as the electrodes, are secured by shrinking.
REFERENCES:
patent: 3849690 (1974-11-01), Cosco et al.
patent: 4122967 (1978-10-01), Roehrich
patent: 4363162 (1982-12-01), Price
patent: 4401729 (1983-08-01), Claussen et al.
Greschat Walter
Lange Fritz-Wilhelm
Roehrich Heinz
Schweda Silvester
Nelms David C.
Siemens Aktiengesellschaft
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